/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "spi.h"
#include "usart.h"
#include "usb_device.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "Delay.h"
#include "retarget.h"
#include "W25Qxx.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
uint8_t sendBuff[] = "USART test by DMA\r\n";

uint8_t recvBuff[BUFFER_SIZE];  //接收数据缓存数组
volatile uint8_t recvLength = 0;  //接收一帧数据的长度
volatile uint8_t recvDndFlag = 0; //一帧数据接收完成标志

uint16_t device_id;
uint8_t read_buf[10] = {0};
uint8_t write_buf[10] = {0};
int i;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_SPI3_Init();
  MX_DMA_Init();
  MX_USART1_UART_Init();
  MX_USB_DEVICE_Init();
  /* USER CODE BEGIN 2 */
    __HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE); //使能IDLE中断
    HAL_UART_Receive_DMA(&huart1, recvBuff, BUFFER_SIZE);

    /* 读取Flash ID */
    device_id = W25QXX_ReadID();
    printf("W25Q64 Device ID is 0x%04x\r\n", device_id);

    /* 为了验证，首先读取要写入地址处的数据 */
    printf("-------- read data before write -----------\r\n");
    W25QXX_Read(read_buf, 0, 10);

    for(i = 0; i < 10; i++)
    {
        printf("[0x%08x]:0x%02x\r\n", i, *(read_buf+i));
    }

    /* 擦除该扇区 */
    printf("-------- erase sector 0 -----------\r\n");
    W25QXX_Erase_Sector(0);

    /* 再次读数据 */
    printf("-------- read data after erase -----------\r\n");
    W25QXX_Read(read_buf, 0, 10);
    for(i = 0; i < 10; i++)
    {
        printf("[0x%08x]:0x%02x\r\n", i, *(read_buf+i));
    }

    /* 写数据 */
    printf("-------- write data -----------\r\n");
    for(i = 0; i < 10; i++)
    {
        write_buf[i] = i;
    }
    W25QXX_Page_Program(write_buf, 0, 10);

    /* 再次读数据 */
    printf("-------- read data after write -----------\r\n");
    W25QXX_Read(read_buf, 0, 10);
    for(i = 0; i < 10; i++)
    {
        printf("[0x%08x]:0x%02x\r\n", i, *(read_buf+i));
    }
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
      HAL_GPIO_WritePin(LED_D1_GPIO_Port, LED_D1_Pin, GPIO_PIN_RESET);
      delay_s(1);
      HAL_GPIO_WritePin(LED_D1_GPIO_Port, LED_D1_Pin, GPIO_PIN_SET);
      delay_s(1);

      HAL_UART_Transmit_DMA(&huart1, (uint8_t *)sendBuff, sizeof(sendBuff));
      delay_s(1);
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
